TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 410 of 855

TM 9-2350-277-20-1

FRONT AND/OR REAR BILGE PUMP(S) AND/OR LIGHTS DON’T WORK

0080 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

General Mechanic’s Tool Kit (WP 0926 00, Item 65)

Multimeter (WP 0926 00, Item 30)

Personnel Required

Unit Mechanic

References

See your -10

Equipment Condition

Engine stopped (see your -10)

Carrier blocked (see your -10)

MASTER SWITCH OFF (see your -10)

Driver’s engine access panel removed (front bilge pump)

(WP 0441 00)

Ramp lowered (rear bilge pump) (see your -10)

Rear ﬂoor plate removed (rear bilge pump)

(WP 0539 00)

Fog oil tank removed (rear bilge pump-M1059A3 only)

(WP 0753 00)

T

1.

Turn BILGE PUMP switch to ON (see your -10).

2.

Do both bilge pump lights come on?

YES

NO

GO TO

BY

(PAGE 0080 00-2)

Y

1.

Does either bilge pump (front or rear) fail to start?

YES

NO

GO TO

CY

(PAGE 0080 00-5)

2Y

1.

Locate bilge pump that is not operating.

2.

Remove circuit 451 (rear pump), or circuit 452 (front pump), plug

(1) from pump jack (2).

3.

Measure voltage between plug 451 or 452 and ground.

4.

Does multimeter read 17 or more volts?

YES

NO

2YN

1.

Repair harness 12349881 (front bilge

pump), WP 0382 00); or repair

harness 12268797 (rear bilge pump),

WP 0382 00).

2.

Verify no faults found.

0080 00-1